Allow initial sizing of BinaryFuseBuilder #56
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Add `MakeBinaryFuseBuilder` which pre-initializes a binary fuse builder to a certain initial size, guaranteeing no allocations up to that size. This avoids reallocations as the buffers grow. We also improve the `reuseBuffer` method to use an `append` pattern (relying on the internal formulas for slice growth) and isolate the unsafe hack to the single place where it is needed now (fingerprints slice).
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Simplify segment count calculation
Allow initial sizing of BinaryFuseBuilder
Add
MakeBinaryFuseBuilderwhich pre-initializes a binary fusebuilder to a certain initial size, guaranteeing no allocations up to
that size. This avoids reallocations as the buffers grow.
We also improve the
reuseBuffermethod to use anappendpattern(relying on the internal formulas for slice growth) and isolate the
unsafe hack to the single place where it is needed now (fingerprints
slice).